期刊
ACS APPLIED MATERIALS & INTERFACES
卷 12, 期 21, 页码 24030-24038出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c05136
关键词
triboelectric nonogenerator; self-powered sensing; mechanical energy harvesting; polymer nanotubes; water drop
资金
- Science Foundation of Guangdong Province [2018A0303130060, 2019A1515011566]
- Science and Technology Innovation Commission of Shenzhen [JCYJ20170818101245583]
- Natural Science Foundation of China [51973119]
- Research Grants Council of Hong Kong [PolyU 153025/19P]
In the world of increasing energy consumption, nanogenerators have shown great potential for energy harvesting and self-powered portable electronics. Herein, a flexible and dual-mode triboelectric nanogenerator (TENG) combining both vertical contact-separation and single electrical modes has been developed to convert environmental mechanical energy into electricity using highly encapsulated and multifunctional strategies. By introducing the polymer melt wetting technique, polymer nanotubes are fabricated on the surface of the TENG, which provides self-cleaning and hydrophobic features beneficial for water drop energy harvesting using the device. In such mechanical energy harvesting, the maximum output power of 0.025 mW and the open-circuit voltage of 41 V can be achieved. By designing the dimensions of the device, the dual-mode TENG is utilized as a self-powered sensor to detect human body motions such as phalanges movement of fingers. The fabricated dual-mode TENG promotes the development of energy-harvesting and self-powered human motion sensors for artificial intelligent prosthetics, human kinematics, and human body recovery treatment.
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